.lrc-wrapper {
    background: rgba(0, 0, 0, 0.47);
    border-radius: 5px;
    padding: 20px;
    width:500px;
    margin:0 auto;
}
.lrc-wrapper > div {
    height: 300px;
    overflow: hidden;
    color: #FFF;
    font-size: 20px;
    text-align: center;
    width:100%;
}
.lrc-wrapper ul {
    margin: 0;
    padding: 0;
    position: relative;
    top: 0px;
    -webkit-transition: all .3s;
    transition: all .3s;
    list-style: none;
}
.lrc-wrapper ul li {
    height: 40px;
    line-height: 40px;
    /* 歌词换行会导致计算不准确，暂时忽略之 */
    white-space: nowrap;
    -webkit-transition: color .3s;
    transition: color .3s;
}
.lrc-wrapper ul li.current {
    color: #FF8939;
}